Finding the Fourth Proportional to 1,236,583,916.70, 1,854,875,875.05 and 624,363,884.70
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Solution
The fourth proportional to 1,236,583,916.70, 1,854,875,875.05 and 624,363,884.70 is: 936,545,827.05
Step by Step Solution
- Step 1: Write the proportion equation
1,236,583,916.70 : 1,854,875,875.05 = 624,363,884.70 : x - Step 2: Convert to fraction form
1,236,583,916.70/1,854,875,875.05 = 624,363,884.70/x - Step 3: Cross multiply
1,236,583,916.70x = 1,854,875,875.05 × 624,363,884.70 - Step 4: Simplify right side
1,236,583,916.70x = 1,158,117,506,982,529,792 - Step 5: Solve for x
x = 1,158,117,506,982,529,792/1,236,583,916.70 - Step 6: Final answer
x = 936,545,827.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.